Several people are experiencing issues with Gmail (especially G Suite) email accounts in Mail on Mac. It seems that the Mail App is not working as expected for some Gmail users. More specifically, some Gmail users have said that after installing the macOS 10.14.4, and launching the Mail app, some Gmail users are asked to authenticate their email addresses. They get a notification saying:
See also: macOS Mojave Freezes or Stops Responding, Fix
If you can’t open Mail on your Mac. If you try to open a version of the Mail app that can’t be used on your Mac, an alert message is displayed. Make sure the version of Mail you’re trying to open is located in the Applications folder. In the Finder, click Applications in the sidebar, then double-click Mail.
Apr 23, 2019 Follow These Quick Tips To Fix Your Mac’s Mail App Crashing. Disable all your mail accounts temporarily and try the Mail App again–if it works, re-activate each account one-by-one to identify what account causes the problem; Delete any messages that you think are causing problems; Look in your Mail App’s Outbox and delete any messages there.
Ensure Windows 10 is up to date (Start Settings Update & security Check for updates).Click the Sync button in the Mail app, at the top of your message list, to force the app to sync. Customize your sync settings in the Mail app (Settings Manage Accounts select the desired account.
“Enter the password for the account “(null)”: Google requires completing authentication in Safari.” This takes users to a Google web login form. However, shortly after authenticating, the Mail app asks for authentication once again, and again, as the process does not stick and goes into an endless loop.
Please note that we contacted Apple regarding this issue, and we were told that Apple is currently working on a fix.
In the meantime, you can try the following fixes:
1– Changing your Gmail account’s security settings may fix this problem. Open Google’s My Account site (https://myaccount.google.com) and click Security (On the left navigation panel) and then scroll down and find the “Less secure app access” section and turn this on (note that Google recommends this OFF). https://treeforme978.weebly.com/free-family-tree-software-mac-download.html.
See also: Mail App Keeps Crashing
2- Set up your email account using IMAP. Please note that this process will delete your messages and will no longer available on your Mac. But do not worry, your mails will not be removed from Google’s servers, you can still access your mails via gmail.com web site. Here is how:
Open the Mail App
Click Mail
Click Preferences
Click Accounts
Select your Gmail account
And click the (-) remove button
Now we will re-add your Gmail account
Before that, let us make sure that IMAP access is enable. If not, you can do that easily. To enable IMAP in Gmail, login into your Gmail web client (gmail.com) and then click Settings:
Click the Forwarding and POP/IMAP tab
Select Enable IMAP (IMAP access section)
And scroll down and click Save.
Now again in Mail App, choose Mail
Click Add Account
Select Google, then click Continue
Enter your email and click Next
Enter your password and click Next
And follow the instructions
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If this does not work, try the “Add Other Account” option and add smpt/imap info manually:
Incoming server: imap.gmail.com
Outgoing server: smtp.gmail.com
3- Open Safari and go to https://accounts.google.com/b/0/DisplayUnlockCaptcha and then enter your username and password, then enter the letters (captcha) then try again.
4-Please try the following:
Quit Mail App.
Open Keychain (Applications > Utilities or Spotlight Keychain)
Search: google.oa
Find the accounts that you are having trouble accessing, and delete Keychains
Now go to https://accounts.google.com
Sign in with your problematic account
Click Security (left menu)
Find the “Third-party apps with account access” section and click “manage third-party access”
Click macOS and to revoke its access
Then sign out (https://accounts.google.com)
On your Mac, go to System Preferences > Internet accounts and re-authenticate your account
And open your Mail and try again
5-Still having the problem? if so try this:
Download and install Charles (a proxy app): https://www.charlesproxy.com/latest-release/download.do
Authorize automatic proxy, when asked
In Charles go to the Help menu and then choose SSL Proxying > Install Charles Root Certificate
Keychain Access will open. Find the “Charles Proxy…” (you may type Charles to search).
Double click on it.
Expand the Trust section and set to “Always Trust”.
Close the window, enter your password when you are asked.
In Charles, choose SSL Proxying Settings (Proxy menu).
Add a new location with Host: people.googleapis.com
Go to the Tools menu and then choose Rewrite and click Add.
Add a new location with Host: people.googleapis.com.
And now on your Mac, open System Settings and Internet Accounts and re-authorize your account.
Now test to see if it is working, if your issue is resolved now, feel free to remove the Charles app.
See also: macOS Mojave Draining Your Mac Battery Life? Here Is How To Fix
Several users have reported that the Mail app on iPhone (or iPad) will not open. More specifically, when some users attempt to open the Mail app to check their email messages, immediately after it launches, it quits. Some users say they see blank screen before it crashes.
Are you having this problem too? Are you unable to check your email because of this issue? Here is what you can do to fix. Please try the steps below if you are having problems with the iOS Mail app if it keeps crashing, hangs and stops working, or if it won’t open at all:
Repair Mail if it crashes or won’t open
1-It is possible that your iPhone or iPad may have run out of memory, and can’t start the Mail app. You may want to free up some space. First check the storage on your iOS device by going to Settings > General > iPad’s or iPhone’s Storage. You may also want to delete some of your apps, videos, photos etc that you no longer use or need to free up some storage, if space gets tight on your iPhone or iPad.
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See also: Your iCloud Storage Is Almost Full?
What else you may want to do is to manually offload and reinstall the Mail app without losing the app’s data. Tap Settings, and General > iPad Storage (or iPhone Storage) then scroll down and find the Mail app and tap Mail and then tap “Offload App”. Note that offloading the Mail app will delete it but it will keep its data. Then tap again to confirm “Offload App”.
Once the mail app has been deleted, simply reinstall the app. To reinstall you may go to again Settings > General > iPad Storage > Mail now you will see: Reinstall App:
Also since the Mail is an built in app, deleting it will not remove from the home screen. You will still see its icon. And tapping the icon will also reinstall the app.
2-Restart the Mail app. Close the mail app (force quit) and reopen again.
3-Remove (sign out) your email account or accounts then re-add them. To do that, go to Settings > Accounts & Passwords and then select your account scroll down and tap Sign Out. Then go to Settings> Accounts & Passwords and tap Add Account.
4-Restart your iOS device to see if it fixes the problem.
5-Make sure that your device is running the latest version of iOS software. Go to Settings > General and then Software Update.
6-If Fetch New Data is on, turn off to see it it is working as expected. Go to Settings > Accounts & Passwords and Fetch New Data.
Trying the steps above should fix your problem if you are unable to open the Mail app. If not, contact Apple support. Picture cropping software for mac.
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See also: Email Stuck In Your Outbox? Unable To Send & Delete? Fix